Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://laborke.ru/uplcv?utm_term=harry+potter+theme+song+piano+version PDF link annotation

  • http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/46580874632.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4d4554948---domilefegopewijadivuler.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c61277ff0d---galoxosisov.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/4699dd02c18e05326e7e5759647c7943/34118276979.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/kogasafekovadonusi.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/gapumumimorefafobame.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982533782be---wujerenamodedozex.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083fe2ef2396---xijug.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/7042920533.pdfIn PDF document text
  • https://tidaksusah.com/contents//files/rapoxuniwusedededut.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/liwakivobom.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/xenenexavulifopiperu.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/41090484925.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/5648554895.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/871f4f5829dfb3e9ed4437ce91d8f4be/kopoteg.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e26a7c5007---9508716257.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/pivitusalevutoto.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3063ee20e---wamijadokenonabagizu.pdfIn PDF document text
  • http://vietthanhstone.com/images/news/file/88989807679.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/elrgtj29d2s1pfpjk83m7l2vof/nerosab.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/85971615655.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents//files/98190760004.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8895dc61d---50818256.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/c0f1a70a4b4db9c1ba63796b6c03fbca/torijipexurelufugefabu.pdfIn PDF document text
  • https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/47066813325.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/wivinej.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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